Lilyvale, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Lilyvale, New South Wales, Australia, is known for its proximity to the Royal National Park. The best time to travel to Lilyvale, Australia, is from September to November, with average air temperatures around 20-25°C (68-77°F) and water temperatures approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!